Free courses can help you learn coding languages like Python and JavaScript, data analysis techniques, and web development fundamentals. You can build skills in problem-solving, algorithm design, and creating interactive websites. Many courses introduce tools such as Git for version control, SQL for database management, and various frameworks that streamline web development, allowing you to apply your skills in practical projects.

Johns Hopkins University
Skills you'll gain: Bioinformatics, Unix Commands, grep, Biostatistics, R (Software), Exploratory Data Analysis, Statistical Analysis, Unix Shell, Unix, Data Science, Data Management, Statistical Methods, Information Management, Command-Line Interface, Statistical Hypothesis Testing, Data Structures, Big Data, Molecular Biology, R Programming, Python Programming
★ 4.5 (6.8K) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Business Analytics, Risk Analysis, Data-Driven Decision-Making, Operations Research, Strategic Decision-Making, Decision Making, Analytics, Decision Intelligence, Predictive Analytics, Simulation and Simulation Software, Risk Modeling, Business Modeling, Data Analysis, Process Optimization, Market Analysis, Unsupervised Learning, Model Optimization, Microsoft Excel, Data Mining, Spreadsheet Software
★ 4.6 (1.9K) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Regression Analysis, R (Software), Statistical Programming, Statistical Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Data Analysis, Statistical Methods, Model Evaluation, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics, Statistical Hypothesis Testing
★ 4.8 (1.8K) · Beginner · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Data Literacy, Critical Thinking, Data Quality, Analytical Skills, Data Analysis, Data Pipelines, Statistical Analysis, Data Visualization, Business Intelligence, Machine Learning, Data Ethics, Correlation Analysis, Data Governance, Data Integrity, Organizational Strategy, Business Communication, Cross-Functional Collaboration, Professional Development, SQL, Change Management
Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Computer Vision, Model Evaluation, Image Analysis, Model Training, Matlab, Machine Learning Methods, Data Preprocessing, Machine Learning, Classification Algorithms, Supervised Learning, Machine Learning Algorithms
★ 4.8 (23) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Inference, Statistical Reporting, R (Software), Statistical Methods, Statistics, R Programming, Statistical Software, Statistical Analysis, Probability & Statistics, Statistical Programming, Data Analysis, Sampling (Statistics), Probability Distribution, Software Installation
★ 4.8 (2.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Data Presentation, Data Visualization Software, Microsoft Copilot, Statistical Analysis, Data Analysis, Data Synthesis, Statistical Methods, Data Integration, Data-Driven Decision-Making
★ 4.1 (42) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Prompt Engineering, ChatGPT, Retrieval-Augmented Generation, Prompt Patterns, Agentic systems, Agentic Workflows, Generative AI, LLM Application, AI literacy, Email Automation, OpenAI, OpenAI API, Expense Management, AI Personalization, AI Enablement, AI Workflows, AI powered creativity, Artificial Intelligence, Automation
★ 4.8 (8.5K) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Statistical Programming, R (Software), Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Software, Probability & Statistics, Statistical Modeling, Statistical Methods, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Analysis, Model Evaluation
★ 4.8 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Dashboard Creation, Data Presentation, Tableau Software, Data Visualization Software, Data Literacy, Descriptive Analytics, Data Import/Export
★ 3.8 (9) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Cleansing, Logistic Regression, Data Preprocessing, Applied Machine Learning, Data Import/Export, Data Mining, Python Programming, Data Access, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning Methods, Classification Algorithms, Machine Learning, Supervised Learning
★ 4.2 (57) · Intermediate · Guided Project · Less Than 2 Hours

MathWorks
Skills you'll gain: Data Storytelling, Model Evaluation, Feature Engineering, Data Visualization, Plot (Graphics), Supervised Learning, Dimensionality Reduction, Data Presentation, Data Integration, Scientific Visualization, Statistical Visualization, Data Preprocessing, Interactive Data Visualization, Exploratory Data Analysis, Data Import/Export, Classification Algorithms, Model Training, Technical Communication, Data Analysis, Machine Learning Methods
★ 4.8 (1.1K) · Beginner · Specialization · 3 - 6 Months